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Two-stage patterning dynamics in conifer cotyledon whorl morphogenesis Holloway, David
Description
Cotyledons (embryonic leaves) in conifer trees form in a single ring, or whorl. The number of cotyledons is quite variable, commonly from 3 to 10, unlike flowering plants, which are classified as to whether they have one or two cotyledons. Our data indicate that cotyledon positioning has a radial component, for the ring position, and a circumferential component, for the between-cotyledon positioning within the ring, and that these have different dependences on polar transport of the growth regulator auxin. We present a two-stage reaction-diffusion mechanism as a framework for understanding these observations and early cotyledon morphogenesis.
Item Metadata
| Title |
Two-stage patterning dynamics in conifer cotyledon whorl morphogenesis
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| Creator | |
| Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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| Date Issued |
2017-12-14T08:59
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| Description |
Cotyledons (embryonic leaves) in conifer trees form in a single ring, or whorl. The number of cotyledons is quite variable, commonly from 3 to 10, unlike flowering plants, which are classified as to whether they have one or two cotyledons. Our data indicate that cotyledon positioning has a radial component, for the ring position, and a circumferential component, for the between-cotyledon positioning within the ring, and that these have different dependences on polar transport of the growth regulator auxin. We present a two-stage reaction-diffusion mechanism as a framework for understanding these observations and early cotyledon morphogenesis.
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| Extent |
35 minutes
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| Subject | |
| Type | |
| File Format |
video/mp4
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| Language |
eng
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| Notes |
Author affiliation: British Columbia Institute of Technology
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| Series | |
| Date Available |
2018-07-05
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| Provider |
Vancouver : University of British Columbia Library
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| Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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| DOI |
10.14288/1.0368826
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| URI | |
| Affiliation | |
| Peer Review Status |
Unreviewed
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| Scholarly Level |
Faculty
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| Rights URI | |
| Aggregated Source Repository |
DSpace
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Rights
Attribution-NonCommercial-NoDerivatives 4.0 International